Crane lifting hook lifting force display and overload early warning

Abstract

The utility model discloses a crane hook lifting force display and overload early warning device, and relates to the technical field of lifting devices. Comprising a hoisting device body, an oiling box is fixedly arranged at the top of the hoisting device body, a mounting plate is fixedly arranged at the top of the oiling box, a mounting groove is formed in the top of the mounting plate, a lamp holder is movably arranged in the mounting groove, and an audible and visual alarm is fixedly arranged at the top of the lamp holder; limiting grooves are formed in the two sides of the lamp holder correspondingly, and limiting rods are movably arranged on the inner walls of the limiting grooves. According to the audible and visual alarm, the knob, the nut, the screw rod, the displacement plate and the limiting rod are arranged, the screw rod rotates by screwing the knob, the rotating screw rod enables the screw rod, the displacement plate and the limiting rod to displace through screw-thread fit between the rotating screw rod and the nut, and after the limiting rod relieves limitation on the lamp holder, the audible and visual alarm can be disassembled; therefore, a detachable function of the audible and visual alarm is realized, and the audible and visual alarm is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting devices, in particular to a crane hook hoisting force display and overload warning. Background Art

[0002] A crane, also known as a ship crane or a ship crane, is a large deck machine on a ship. It is a device for loading and unloading cargo on a ship. A hydraulic crane is a commonly used loading and unloading device on a ship. The lifting device of a crane is one of the important parts of the crane.

[0003] Chinese utility model patent CN217516516U discloses a hoisting device for a ship crane, including a hoisting device housing, an oiling box is arranged on the upper surface of the hoisting device housing, the inner side wall of the limit hoop is rotatably connected to a driving wheel through an axle, an anti-rust lubricating oil tank is arranged on the inner side wall of the oiling box, the inner side wall of the limit hoop is rotatably connected to an oiling wheel through an axle, a gravity sensor is arranged on the inner bottom wall of the hoisting device housing, a display screen is arranged on the outer surface of the hoisting device housing, an early warning light is arranged on the outer surface of the hoisting device housing, and an audible and visual alarm is arranged on the upper surface of the oiling box. The utility model achieves the purpose of facilitating automatic application of anti-rust lubricating oil through the arrangement of a driving wheel, a piston chamber, an anti-rust lubricating oil tank and an oiling wheel, and achieves the purpose of facilitating overweight early warning of cargo through the arrangement of a sliding plate, a gravity sensor, an early warning light and an audible and visual alarm.

[0004] In order to realize the overweight warning function, the above-mentioned lifting device is installed with structures such as sliding plates, gravity sensors, warning lights and sound and light alarms. However, the above-mentioned lifting device does not have the function of disassembling the sound and light alarms. After long-term use, the sound and light alarms may malfunction. Due to the lack of detachable function, it is inconvenient to replace the sound and light alarms. Utility Model Content

[0005] The utility model provides a crane hook lifting force display and overload warning to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crane hook lifting force display and overload warning, comprising a lifting device body, an oil box is fixedly arranged on the top of the lifting device body, a mounting plate is fixedly arranged on the top of the oil box, a mounting groove is provided on the top of the mounting plate, and a lamp holder is movably provided inside the mounting groove, a sound and light alarm is fixedly provided on the top of the lamp holder, limiting grooves are provided on both sides of the lamp holder, and a limiting rod is movably provided on the inner wall of the limiting groove, a displacement plate is fixedly provided on one end of the limiting rod, a screw is rotatably connected to one side of the displacement plate, a nut is movably provided on the outer side of the screw, the connection relationship between the nut and the screw is a threaded connection, the connection relationship between the nut and the mounting plate is a fixed connection, and a knob is fixedly provided on one end of the screw.

[0007] Furthermore, a hook is provided at the bottom of the lifting device body.

[0008] Furthermore, a warning light is fixedly provided on the front of the lifting device body.

[0009] Furthermore, a display screen is provided below the warning light.

[0010] Furthermore, the connection relationship between the limiting rod and the lamp holder is a snap connection.

[0011] Furthermore, the outer side of the knob is provided with anti-slip grooves.

[0012] Compared with the prior art, the utility model provides a crane hook lifting force display and overload warning, which has the following beneficial effects:

[0013] 1. The crane hook's lifting force display and overload warning are provided with a knob, a nut, a screw, a displacement plate and a limit rod. The screw is rotated by turning the knob, and the rotating screw cooperates with the thread of the nut to displace the screw, the displacement plate and the limit rod. When the limit rod releases the restriction on the lamp holder, the sound and light alarm can be removed, thereby realizing the detachable function of the sound and light alarm, which is convenient for its replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural front view of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the sound and light alarm of the utility model.

[0017] In the figure: 1. lifting device body; 101. hook; 102. warning light; 103. display screen; 2. oiling box; 3. mounting plate; 301. lamp holder; 302. sound and light alarm; 4. limit rod; 401. displacement plate; 402. screw; 403. nut; 404. knob. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model discloses a crane hook lifting force display and overload warning, comprising a lifting device body 1, an oiling box 2 is fixedly arranged on the top of the lifting device body 1, a mounting plate 3 is fixedly arranged on the top of the oiling box 2, a mounting groove is provided on the top of the mounting plate 3, and a lamp holder 301 is movably provided inside the mounting groove, a sound and light alarm 302 is fixedly arranged on the top of the lamp holder 301, limiting grooves are provided on both sides of the lamp holder 301, and a limiting rod 4 is movably provided on the inner wall of the limiting groove, a displacement plate 401 is fixedly arranged on one end of the limiting rod 4, a screw 402 is rotatably connected to one side of the displacement plate 401, a nut 403 is movably provided on the outer side of the screw 402, the connection relationship between the nut 403 and the screw 402 is a threaded connection, the connection relationship between the nut 403 and the mounting plate 3 is a fixed connection, and a knob 404 is fixedly provided on one end of the screw 402.

[0020] Specifically, a hook 101 is provided at the bottom of the lifting device body 1 .

[0021] In this embodiment, by providing the hook 101 and hooking the lower end of the hook 101 on the binding belt or hook ring of the goods to be hoisted, the goods can be hoisted conveniently.

[0022] Specifically, a warning light 102 is fixedly provided on the front of the lifting device body 1 .

[0023] In this embodiment, by setting a warning light 102, the gravity sensor (not shown in the figure) in the lifting device body 1 can weigh the weight of the cargo, and two warning weight values ​​can be set in advance. When the first set warning weight is reached, the warning light 102 will issue a first-level warning reminder by emitting a flashing light.

[0024] Specifically, a display screen 103 is provided below the warning light 102 .

[0025] In this embodiment, by providing a display screen 103, the gravity sensor in the lifting device body 1 can transmit the weight information of the cargo to the display screen 103, thereby realizing the function of lifting force display.

[0026] Specifically, the connection relationship between the limiting rod 4 and the lamp holder 301 is a snap connection.

[0027] In this embodiment, by providing the limiting rod 4 , when one end of the limiting rod 4 is inserted into the limiting groove on the lamp holder 301 , the lamp holder 301 can be limited.

[0028] Specifically, the outer side of the knob 404 is provided with anti-slip grooves.

[0029] In this embodiment, by providing the knob 404, the friction between the knob 404 and the hand can be enhanced, so that the hand is not prone to slipping.

[0030] When in use, by hooking the lower end of the hook 101 on the binding belt or hook ring of the goods to be hoisted, the gravity sensor in the hoisting device body 1 can weigh the weight of the goods, and two warning weight values ​​can be set in advance. When the first set warning weight is reached, the warning light 102 emits a flashing light to give a first-level warning reminder. When the second set warning weight is reached, the sound and light alarm 302 emits a flashing light and an alarm sound to give a second-level warning reminder, thereby realizing an overload warning.

[0031] When disassembling the sound and light alarm 302, the screw 402 is rotated by turning the knob 404. The rotating screw 402 cooperates with the thread of the nut 403 to displace the screw 402, the displacement plate 401 and the limit rod 4. When the limit rod 4 releases the restriction on the lamp holder 301, the sound and light alarm 302 can be disassembled.

[0032] To summarize, the crane hook force display and overload warning are provided by setting a knob 404, a nut 403, a screw 402, a displacement plate 401 and a limit rod 4. The screw 402 is rotated by turning the knob 404, and the rotating screw 402 is matched with the thread of the nut 403 to displace the screw 402, the displacement plate 401 and the limit rod 4. When the limit rod 4 releases the restriction on the lamp holder 301, the sound and light alarm 302 can be removed, thereby realizing the detachable function of the sound and light alarm 302, which is convenient for replacement.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crane hook lifting force display and overload warning system, comprising a lifting device body (1), characterized in that: An oiling box (2) is fixedly arranged on the top of the lifting device body (1), a mounting plate (3) is fixedly arranged on the top of the oiling box (2), a mounting groove is provided on the top of the mounting plate (3), a lamp holder (301) is movably arranged inside the mounting groove, a sound and light alarm (302) is fixedly arranged on the top of the lamp holder (301), limiting grooves are provided on both sides of the lamp holder (301), and a limiting rod (4) is movably arranged on the inner wall of the limiting groove, a displacement plate (401) is fixedly arranged on one end of the limiting rod (4), a screw rod (402) is rotatably connected to one side of the displacement plate (401), a nut (403) is movably arranged on the outer side of the screw rod (402), the connection relationship between the nut (403) and the screw rod (402) is a threaded connection, the connection relationship between the nut (403) and the mounting plate (3) is a fixed connection, and a knob (404) is fixedly arranged on one end of the screw rod (402).

2. A crane hook force display and overload warning system according to claim 1, characterized in that: A hook (101) is provided at the bottom of the lifting device body (1).

3. The crane hook force display and overload warning system according to claim 1, characterized in that: A warning light (102) is fixedly arranged on the front side of the lifting device body (1).

4. A crane hook force display and overload warning system according to claim 3, characterized in that: A display screen (103) is provided below the warning light (102).

5. The crane hook force display and overload warning system according to claim 1, characterized in that: The connection relationship between the limiting rod (4) and the lamp holder (301) is a snap connection.

6. A crane hook force display and overload warning system according to claim 1, characterized in that: The outer side of the knob (404) is provided with anti-slip grooves.

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